Mama Adoptation

Why Does My Baby Spit Up after Laying Down? (Causes and Treatments)

Having a baby can be an enriching experience, but it can be worrying when your baby spit up after lying down. Spit-up is a common phenomenon in babies and is usually nothing to worry about. However, understanding why your baby spits up could help you take the necessary steps to reduce the frequency of this occurrence.

Baby spit up happens mostly because babies have immature digestive systems that are still developing. When babies lay down, the contents from their stomachs may move back up through their oesophagus and out of their mouths as spit-up. In addition, babies swallow air during feeding, which increases pressure in their stomachs and also causes them to spit up more quickly.

Why does my baby spit up when lying do?

A baby spit up after lying down can be an alarming surprise for many parents. While the occurrence of baby spit-up is often associated with something that may have been eaten, it can also be caused by the infant’s position while feeding or sleeping.

Baby spit-up occurs when food and stomach acid are regurgitated back into the oesophagus, which causes a burning sensation in the chest. It is essential to understand why your baby spits up when lying down so that you can take actionable steps to prevent it from happening again.

Several potential causes for your baby’s spitting up after laying down include an overactive let-down reflex, an immature digestive system, eating too quickly or too much formula/breast milk during their feedings.


An essential part of nurturing a newborn baby is providing adequate nutrition. However, it turns out that overfeeding can have serious consequences. Studies have shown that when a baby is overfed, they’re likely to suffer from frequent spitting-up episodes, which can be distressing for the baby and their caregiver.

When an infant is overfed, more food than they can comfortably digest enters their stomach, leading to excessive reflux of partially digested milk or formula from their mouth or nose.

This occurs because the muscle at the top of the stomach cannot close properly due to increased pressure within the stomach cavity. Babies constantly overfed may also experience abdominal discomfort and fussiness due to indigestion caused by too much food entering their system.

Insufficient burping:

When it comes to infants, one of the most important things parents can do is ensure their baby is properly burped. Unfortunately, when an infant doesn’t burp enough, it can lead to severe problems such as acid reflux and baby spitting up.

Insufficient burping allows swallowed air to remain in the baby’s stomach, which can cause discomfort and pain. This may result in a baby spitting up frequently or having frequent hiccups, which can be difficult for both parents and babies. For an infant to properly digest food, all of the swallowed air must be released through a good burp.

Parents should always ensure their infant gets a good burp after each feeding session.

A tongue tie or poor latch:

Breastfeeding is a beautiful yet challenging experience for many new moms. One common issue during breastfeeding is a poor latch or tongue-tie in babies. This condition, commonly known as ankyloglossia or tongue-tie, occurs when the tissue connecting the baby’s tongue to the floor of their mouth is shorter than usual.

This can make it difficult for a baby to latch onto their mother’s breast and feed efficiently and adequately. As a result, babies may experience excessive spit-up and other signs of discomfort after feeding, which can be problematic for parents.

Fortunately, treatment options for babies with tongue-tie involve a minor surgical procedure to release the restricted tissue underneath the baby’s tongue.


Gastroesophageal reflux disease (GERD) is a common condition in babies, often causes baby spit up after eating. GERD occurs when stomach acid or other contents flow back into the oesophagus and irritate the lining. Babies with GERD may also experience frequent regurgitation and vomiting. As a result, it can be difficult for parents to know if their baby’s spit-up is normal or due to GERD.

If your baby has trouble gaining weight, has difficulty sleeping due to pain while lying down, vomits frequently, or shows signs of distress during feeding times, they may have GERD. Other symptoms that could indicate your baby has this condition include coughing, wheezing, and excessive crying after eating.

“Happy Spitters” vs Babies with GERD:

Spitting up is a natural part of being a baby, but it can become more than just an occasional nuisance for some infants. Babies with gastroesophageal reflux disease (GERD) experience frequent and excessive spit-up episodes that can cause discomfort and disrupt sleep. On the other hand, happy spitters can safely tolerate frequent bouts of spitting up without experiencing any negative repercussions.

To determine your infant’s baby type, it is essential to recognize the difference between usual spit-up and GERD. Regular or “happy” spitting occurs when babies bring up little milk after feeding.

This happens because the muscles at the entrance of the stomach have not developed enough to keep food down yet. GERD occurs when this process becomes excessive and affects babies’ sleeping and eating habits.

Food intolerances or allergy:

Food intolerances or allergies are a widespread problem for babies and can cause various symptoms. One such sign is baby spit up, which can concern parents as it may indicate something is wrong with their child.

Understanding the difference between food intolerances and allergies in infants is essential. Food intolerance occurs when an infant has difficulty digesting or breaking down certain foods, leading to digestive issues like diarrhoea or vomiting.

An allergy is an immune system reaction that triggers symptoms such as hives, wheezing, swelling of the mouth and throat, and difficulty breathing. If your baby experiences any of these reactions after eating certain foods, they may have a food allergy.

Is it normal for a baby to spit up in sleep?

Is it normal for a baby to spit up in sleep? While parents may be worried when they see their little one spitting up while sleeping, this is quite common. A baby’s digestive system is still developing, and the muscular valve between the stomach and oesophagus is fully designed on their first birthday. Gravity can cause food or drink to come back up when babies lie down – known as reflux or spitting up.

It can be especially concerning if your baby spits up large amounts of milk or formula often, but even this is usually normal in young infants. It’s important to talk to your doctor if your baby seems uncomfortable after spitting up, has trouble gaining weight, or experiences frequent vomiting episodes.

In some cases, medications such as antacids can help reduce the amount of regurgitation and discomfort for babies with acid reflux.

How do I stop my baby from spitting up at night?

Having a baby who spits up at night can be exhausting for parents, especially when it seems nothing can stop this from happening. However, there are some steps that you can take to reduce the chances of your baby spitting up at night.

The first step is ensuring your baby has the correct sleeping position. During sleep time, babies should be placed on their backs in a crib, not in other posts. This helps avoid putting pressure on their digestive system, which can lead to spit-up episodes.

Additionally, try to avoid nursing or feeding your baby too close to bedtime, as this could also contribute to them spitting up as they lay down flat after eating. It’s also essential to ensure that your little one is well-rested and given appropriate formula before bedtime.

When do babies stop spitting up when lying down?

Every parent has experienced the dreaded spit-up. It starts in infancy and can continue for up to a year. In most cases, babies stop spitting up when lying down long before they turn one year old, although it can vary from baby to baby.

The exact age at which a baby will stop spitting up when lying down usually depends on their development rate and diet. Generally speaking, if your baby is eating solid foods and increasing, they may be done with spit-ups sooner than a slower-growing baby who only takes formula or breastmilk. Babies sitting upright may also have fewer spit-ups because gravity helps keep their food down better than lying flat on their backs.

What happens if my baby spits up lying down?

When a baby spits up while lying down, it can be both alarming and concerning for parents. But don’t worry–it’s important to remember that this is common in tiny babies and doesn’t necessarily mean something is wrong.

Generally speaking, spitting up when lying down is caused by the stomach contents flowing back into the oesophagus due to gravity. This often happens with babies fed too much or too quickly because their digestive systems are still developing and cannot handle large volumes of milk at once.

It’s also quite normal for your baby to have reflux; however, if baby spit up frequently or projectile vomit after every feed, it could indicate gastroesophageal reflux disease (GERD) and should be discussed with your doctor.

How to stop the baby spit up after lying down?

One of the most annoying problems parents with young babies face is spitting up. Baby spit up after laying down, leaving moms and dads scrambling to find a solution. Luckily, there are steps parents can take to help prevent their little ones from spitting up after being laid down.

First, always ensure your baby is upright for thirty minutes or so after eating. Doing this helps digestion and prevents food from returning up during naps and sleep.

Second, if you’re bottle feeding your baby, try using bottles specifically designed to reduce air intake and add a bit of rice cereal to the formula or breast milk; this will also help prevent them from spitting up after laying down.

Do not overfeed:

For parents of newborns, it’s tempting to overfeed your baby to get them to sleep longer. However, this can lead to a host of issues such as baby spit up and colic. Feeding too much milk or formula at once is an especially common mistake that many new parents make.

It’s essential to be aware of signs that your little one may be full – like turning away from the bottle or breast, not finishing a feeding session, and slowing down when drinking milk.

Overfeeding can cause babies to gain weight quickly and ingest more air than usual, leading to uncomfortable burping and spitting up. Having gas pains due to digestion problems from overfeeding can also lead to fussiness and unruly behaviour in babies.

Burp your baby often:

Burping your baby is an integral part of feeding time, and if you don’t do it regularly, you could be putting your little one at risk for more spit-up. Burping your baby often helps reduce the spit-up that occurs due to swallowed air during feedings. It’s a good idea to burp your baby after every 2-3 ounces of formula or breast milk during a feeding session and in between feedings.

The best way to burp your baby is by supporting their head and neck while gently patting or rubbing their back with the other hand. When done correctly, this will help release any excess air bubbles in the stomach that can cause discomfort and lead to spitting up.

A correct tongue tie or poor latch:

When parenting a newborn, nothing is more frustrating than a baby spitting up. Not only can it be messy, but if not addressed correctly, spit up can also lead to health problems for your little one. One common cause of baby spit-up is an incorrect tongue tie or poor latch.

Tongue-tie is a condition where the tissue under the baby’s tongue restricts the movement of their tongue, which prevents them from latching on properly and thus leads to spitting up milk or formula.

A poor latch is when the baby can’t get enough suction while nursing, resulting in milk returning after they have finished eating. These issues can be corrected by making simple changes such as adjusting your hold on the baby during feeding or using techniques such as “burping” them between each feeding session.

Recognize and treat GERD:

Gastroesophageal Reflux Disease (GERD) is a common problem among babies and young children. Most parents are familiar with the occasional spit-up after a meal, but sometimes it can be more than just an inconvenience.

GERD occurs when stomach acids travel back into the food pipe, causing heartburn and other uncomfortable symptoms. Recognizing the signs of GERD in your baby can help you get proper treatment as early as possible.

Spit-up is one of the primary signs of GERD in babies and young children. Pay close attention to how often your baby spits up or makes gurgling noises after eating or drinking; these could indicate digestive issues related to GERD. Other potential signs include frequent hiccups, coughing, or irritability after consuming food.

Remove food allergens:

For parents with babies that suffer from food allergies, removing allergens from their diet is essential for their health and well-being. Even when food allergens are removed, babies can still experience allergic reactions such as spit-up or other gastrointestinal issues. These precautions aim to reduce the chances that a baby’s exposure to food allergens will cause an adverse reaction.

Parents must identify the potential food allergen to remove it from their baby’s diet. Common culprits include gluten, dairy, nuts, eggs, soy, and corn. Reading labels carefully is essential to avoid foods containing these items, especially if they are not labelled as allergen-free products. In addition, keeping track of what your baby eats can help detect any possible sources of exposure and prevent future problems.


It is essential to remember that baby spit up after laying down is common and often nothing to worry about. Ensure your child has eaten enough, doesn’t over-eat, and tries keeping them upright for at least 30 minutes after feeding.

If your baby continues to have frequent spit-up episodes or shows signs of distress, contact your paediatrician for further assistance. These steps can help reduce the spit-up after laying down and keep your little one comfortable.

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Emiley Walker Author & Writer | Parenting and BabyCare at Mamaadoptation About I'm a passionate writer committed to using storytelling to support and uplift families on their fostering and kinship care journeys. At Mama Adoption, I create engaging content that empowers parents and caregivers navigating the joys and challenges of raising amazing children. Expertise Childcare Parent coaching Parenting Attachment parenting Parent-child Relationships Baby Products Newborn Baby Knowledge of different parenting approaches (e.g., authoritative, permissive, authoritarian) Strategies for managing and modifying children's behavior communication techniques Understanding child psychology Specialized knowledge in supporting children with disabilities Highlights Certified in Family dynamics, Parenting guide, Effective communication skills. Education Emily Walker holds a Master's degree in parenting guidelines from Air university where she cultivated her expertise in understanding child development, effective communication, and family dynamics. Her academic journey ignited a lifelong passion for unraveling the complexities of parenting and helping others on their parenting journeys. Experience Emily Walker's professional journey is marked by a wealth of experience: Nurse (RN) - Pediatrics or Mother-Baby Unit Babysitter Authorship: Emily has authored numerous articles, essays, and books on parenting guidelines, all crafted with a blend of academic knowledge and practical wisdom. Parenting Workshops: She has conducted workshops and seminars, both online and in-person, providing parents with actionable tools and strategies. Consulting: Emily has worked as a parenting consultant, offering personalized guidance to families facing unique challenges. Media Contributions: Her insights have been featured in various publications, including parenting magazines and television programs. Emily's Approach to Parenting: Emily advocates for: Positive Discipline: Promoting non-punitive methods for teaching and guiding children. Open Communication: Fostering open and respectful communication within families. Child-Centered Parenting: Prioritizing the well-being and development of the child while supporting parents in their roles. Thank you for visiting Emily Walker's author page. Join her on a journey of discovery and empowerment as she guides you through the fascinating world of parenting guidelines. Together, let's nurture the next generation with love, knowledge, and understanding.

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